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Authored by Yuni Rosmarita
Science
9th - 10th Grade
Used 11+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Bilangan oksidasi C pada C2H6, CO, CO2 dan CCl4 adalah….
+3 , +3 , +4, +4
+2 , +3 , +4, +4
-2 , +2 , +4, +4
-2 , +3 , +4, +4
-3 , +2 , +4, +4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Satu diantara perubahan berikut yang merupakan oksidasi adalah ....
Cr2O3® Cr3+
CrO42-® CrO72-
MnO42-® MnO4-
CrO42-® CrO3
a. CrO42-® Cr2O3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi Cl2 + 2e → 2Cl– termasuk reaksi ....
Redoks
Oksidasi
Reduksi
Otoredoks
Disproporsionasi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Bilangan oksidasi Mn pada ion MnO4- adalah....
-1
-2
+4
+7
+8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
14. Pada persamaan reaksi :
KMnO4 + H2C2O4 + H2SO4 → K2SO4+ MnSO4 +CO2+ H2O
Zat yang berperan sebagai reduktor adalah....
KMnO4
H2C2O4
H2SO4
MnSO4
H2O
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah diantara perubahan-perubahan berikut yang merupakan reduksi?
NH3 menjadi NH4+
NH3 menjadi NH2-
NO2 menjadi NO3
N2 menjadi NH3
N2 menjadi NO2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Siapa Nama wanita cantik ini ?
Yuni Rosmarita
Yuni Shara
Jessica Mila
Mona Ratulio
Nabila Ayu
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